Yuuka Hayase

Yuuka Hayase is a student of Millennium Science School in Blue Archive and belongs to Seminar. Her story role grows from the responsibilities of that organization and the crises affecting Kivotos.

Yuuka Hayase's loyalties and development in Blue Archive

She is characterized as a practical treasurer who values budgets, probability, and rules while repeatedly cleaning up others' financial disasters. Her practical specialty includes defensive frontline combat, calculations, and administrative planning, giving her a recognizable function in both narrative missions and combat.

Yuuka Hayase's relationships and major turning points

Her key relationships include Noa, Koyuki, Rio, Sensei, and the wider Millennium student body, and those connections reveal how her loyalties and personal outlook develop.